#a=int(input())
#b=int(input())
'''
global c
def yunsuan(a,b):
    c=a+b
    f=a*b
    def yuansuan():
        
        c=2
        print(c)
    yuansuan()
    return c 
print(c)

print(yunsuan(1,2))
'''
c="bdfz"
def xuexiao():
    global c
    c="bdfzsjs"
    print(c)
xuexiao()
print(c)


